21012442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:3006

約数の個数: 32

約数和(自身を含む): 38335680

約数和(自身を除く): 17323238

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 323, 374, 418, 646, 2957, 3553, 5914, 7106, 32527, 50269, 56183, 65054, 100538, 112366, 552959, 618013, 955111, 1105918, 1236026, 1910222, 10506221, 21012442]

約数ペア:

[(1, 21012442), (2, 10506221), (11, 1910222), (17, 1236026), (19, 1105918), (22, 955111), (34, 618013), (38, 552959), (187, 112366), (209, 100538), (323, 65054), (374, 56183), (418, 50269), (646, 32527), (2957, 7106), (3553, 5914)]